S-AWC (Super All Wheel Control)

Code No.C2203: Chassis No. Not Recorded

CAUTION:

- If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be set. Prior to this diagnosis, diagnose the CAN bus lines.

- Whenever the ECU is replaced, ensure that the CAN bus lines are normal.

OPERATION

AWC-ECU receives chassis number information from the ECM.

DIAGNOSTIC TROUBLE CODE SET CONDITIONS

This diagnostic trouble code is set when the chassis number is not written to the AWC-ECU.

PROBABLE CAUSES

- Malfunction of the CAN bus line

- Chassis number not written

- Malfunction of ECM

- Malfunction of AWC-ECU

- ETACS-ECU malfunction

DIAGNOSTIC PROCEDURE

STEP 1. M.U.T.-III CAN bus diagnostics.

Use scan tool to perform the CAN bus diagnosis.

Q. Is the check result normal?

YES Go to Step 2.
NO Repair the CAN bus lines. CAN Bus Diagnostics Chart). After repairing the CAN bus line, go to Step 2.
STEP 2. M.U.T.-III diagnostic trouble code.

Check whether engine-related diagnostic trouble code No.P0630 is set. Multiport Fuel Injection (MFI)).

Q. Is the diagnostic trouble code set?

YES Perform the relevant troubleshooting.
NO Go to Step 3.
STEP 3. Check whether the diagnostic trouble code is reset.

Q. Is diagnostic trouble code No.C2203 set?

YES Replace the AWC-ECU. (Refer to AWC-ECU Removal and Installation). Then go to Step 4.
NO Intermittent malfunction. How to Cope With Intermittent Malfunctions).
STEP 4. Check whether the diagnostic trouble code is reset.

Q. Is diagnostic trouble code No.C2203 set?

YES Return to Step 1.
NO This diagnosis is complete.